What should the physical concrete scope describe?

Describe the support assumption

The proposal should say what removal and excavation are included, how the exposed area will be reviewed and what base preparation is planned for the confirmed use. Keep known facts separate from assumptions about material below the slab. Photos of the surface cannot establish base depth, compaction, soil behavior, reinforcement or concealed utilities. If removal exposes a different condition, the scope needs a written checkpoint before added excavation, support work or placement proceeds.

Define forms, edges and retained concrete

Mark the placement boundary and every edge that meets retained concrete, a wall, step, curb, drain, post, landscape or another finish. State which forms are temporary, which edges remain visible and what nearby surfaces need protection. A neat form line does not settle the final elevation or transition by itself; those details follow the verified site and approved scope. The customer should be able to see where new work stops and what adjacent repair remains excluded.

Put reinforcement and joints in the written scope

Identify the project-specific reinforcement approach and the planned joint locations or treatment at a level the customer can compare across proposals. Do not turn general website guidance into spacing, sizing or engineering instructions. The responsible plan should reflect the use, geometry, retained work and verified conditions. Ask whether existing joints are being followed, whether a new section is isolated from retained construction and which visible lines will remain part of the finished surface.

Approve the assembly before placement

Before concrete arrives, reconcile the marked area, prepared base, forms, penetrations, edges, transitions, reinforcement scope, joints, finish and access. Record any approved field change. This review is valuable because several important choices become difficult to inspect after placement. It does not require the owner to direct means and methods; it gives the owner a clear record that the physical scope being built matches the approved project.

Compare proposals on the same assembly questions

Ask each proposal to answer the same items: removal limit, base assumption and preparation, forms and edge work, reinforcement scope, joint plan, transitions, penetrations, finish and concealed-condition process. A lower total built on missing preparation is not the same scope. Keep quantities and technical details tied to the verified project rather than borrowing specifications from another slab.

Before approval

• Removal depth assumption
• Base preparation
• Forms and edges
• Reinforcement scope
• Joint plan
• Transitions and exclusions